时频谱图  Time-frequency Spectrum; spectrogram; time-frequency spectrum image; time-frequency spectrogram

宽频频谱图  wideband spectrogram

HHT能量分布时频图  time-frequency representation

Hilbert时频谱  Hilbert spectrum; Hilbert time frequency spectrum; Hilbert time-frequency spectrum

短时Fourier时频分析  STFT time-frequency

局域波时频谱  local wave time-frequency spectra

空时／时频调制  space-time time-frequency-shift keying(ST-TFSK; st-tfsk

邻域时频图  adjacent domain time-frequency image

频谱-时间分析  spectral-temporal analysis

频谱时间序列  Spectral history

时频谱  Time-frequency Spectrum

时频谱处理技术  time-frequency spectrum processing technology

时频谱熵  time-frequency spectrum entropy

时频图  Time-frequency Spectrum; Instantaneous frequency; spectrogram

时频图像  Time-frequency Image; Time-frequency spectra

时频图像处理  Time-frequency Image Processing

时图图表  time diagram

实时频谱测量  real-time spectrum measurement

实时频谱分析  Real-time spectrum analysis; real-time-spectrum-analyz